Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 10 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/22/2021   06:24:33   (  -0.04, -75.20) (  -0.07, -75.11)   10.57                80
 10/24/2021   18:30:28   (   0.03, -75.21) (  -0.13, -75.88)   77.23                80
 10/25/2021   18:09:06   (   0.03, -75.21) (   0.92, -71.37)  439.08                80
 10/27/2021   06:33:35   (  -0.02, -75.22) (   0.31, -76.63)  161.78                80
 10/28/2021   06:12:13   (  -0.03, -75.22) (  -0.75, -72.11)  354.54                80
 10/29/2021   18:36:51   (   0.02, -75.24) (  -0.44, -77.42)  248.66                80
 10/30/2021   18:15:27   (   0.03, -75.25) (   0.56, -72.89)  268.22                80
 11/01/2021   06:39:58   (  -0.02, -75.26) (   0.62, -78.17)  331.25                80
 11/02/2021   06:18:34   (  -0.03, -75.27) (  -0.38, -73.64)  185.83                80
 11/03/2021   18:43:13   (   0.01, -75.29) (  -0.80, -78.95)  416.41                80
 11/04/2021   18:21:49   (   0.02, -75.31) (   0.20, -74.42)  101.09                80